Home / 179,474.40-268,693.20-109,490.40

Finding the Fourth Proportional to 179,474.40, 268,693.20 and 109,490.40

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Solution

The fourth proportional to 179,474.40, 268,693.20 and 109,490.40 is: 163,919.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,474.40 : 268,693.20 = 109,490.40 : x
  2. Step 2: Convert to fraction form
    179,474.40/268,693.20 = 109,490.40/x
  3. Step 3: Cross multiply
    179,474.40x = 268,693.20 × 109,490.40
  4. Step 4: Simplify right side
    179,474.40x = 29,419,325,945.28
  5. Step 5: Solve for x
    x = 29,419,325,945.28/179,474.40
  6. Step 6: Final answer
    x = 163,919.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.